Connectivity Options

The following diagram provides an overview of the technical options for connecting to the SWXess platform:

1) Internet connectivity - simple and cost-effective

Internet connectivity is a simple, non-redundant and cost-effective solution. It is the ideal solution
for participants with low trading volumes or who only use the Trade Reporting function. Because of
their low volume of data traffic, these participants also have a low bandwidth requirement.

Connection to SCAP are via a secure VPN tunnel. Data traffic is then routed on a best-effort
basis, which means that no precise bandwidth is guaranteed. For production, only
the STI and RDI interfaces are available over the internet connectivity option.

The Managed IP Service option is designed for participants wishing to outsource the
maintenance of their network to a specialist service provider.

Bandwidths offered:

Between 512 kbps and 100 Mbps

3) Ethernet service - for high bandwidths

This is the best option if speed is the crucial criterion.

The Ethernet Service is a cheap solution for participants wishing to operate various VLANs
(with or without IPSec) over the same connection at the same time. Each tunnel terminates
at a dedicated endpoint router. Participants can use their own network infrastructure to operate
all tunnels.

Bandwidths offered:

4, 10, 30, 50 and 100 Mbps

4) Optical fibre link - maximum speed and minimum latency via SCAP

Participants wishing to operate various VLANS (without IPSec) are best served by an
optical fibre link. This offers maximum overall bandwidth and minimum latency.

The participant's entire connection up to SIX Swiss Exchange's in-house access point runs via dark
fibre, i.e. via optical fibre. The connection to SCAP is an end-to-end type.

Bandwidths offered:

1 Gbps for the overall link

50 or 100 Mbps per VLAN.

5) Access Point service - reliable and low latency from a single location

Participants can access SWXess directly with a cross-connect from one of the Points of Presence (PoP)
in London and Frankfurt. The PoPs have reliable and low latency connections to SWXess and participants
can benefit from an average latency reduction of 15% compared to conventional connectivity implementations.

Bandwidth offered:

50 Mbps

6) Proximity service - lowest latency with a direct connection

Participants of SIX Swiss Exchange who wish to benefit from latency in the microsecond range via SCAP can
connect to SWXess via a designated Proximity Service Provider. Proximity Services allow all
clients to overcome the disadvantage of geographical distance and to enjoy the same low latency
as any participant located in the Zurich area.

Bandwidth offered:

Participants can make use of the Co-Location Service available at the Equinix ZH4 Datacenter which
provides the fastest possible access to all SWXess services.

Bandwidth offered:

10 Gbps

8) Co-Location Access - high-speed connection

Participants with corporate headquarters in the Zurich area can connect directly via the Co-Location
Access. Owing to its immediate proximity to both the SWXess Partition 1 (Equities) and Partition 2
(Non-Equities), connection via Co-Location offers the fastest possible trading.